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Functions of Digestion

Total questions: 128

Worksheet time: 1hrs 5mins

Name
Class
Date
1.

Fill in the blank: ________ of the food is the process of taking food into the body.

a)

Ingestion

b)

Digestion

c)

Absorption

d)

Assimilation

2.

Fill in the blank: ________ the food is the process of moving food through the digestive system.

a)

Transport

b)

Digesting

c)

Absorbing

d)

Chewing

3.

Fill in the blank: ________ of the food into smaller usable components is an important function of digestion.

a)

Digestion

b)

Absorption

c)

Excretion

d)

Respiration

4.

Fill in the blank: ________ of the necessary nutrients into the bloodstream is a function of digestion.

a)

Absorption

b)

Excretion

c)

Filtration

d)

Evaporation

5.

Fill in the blank: ________ of the waste products from the body is the final function of digestion.

a)

Elimination

b)

Absorption

c)

Secretion

d)

Ingestion

6.

Which of the following are the two separate categories of organs in the digestive system?

a)

Digestive organs and respiratory organs

b)

Digestive organs and accessory digestive organs

c)

Accessory digestive organs and circulatory organs

d)

Respiratory organs and alimentary canal

7.

Digestive organs collectively make up the _________?

a)

gastrointestinal (GI) tract

b)

respiratory system

c)

nervous system

d)

urinary tract

8.

The gastrointestinal (GI) tract is also called the ________ or ________.

a)

digestive tract, alimentary canal

b)

respiratory tract, bronchial tube

c)

urinary tract, nephron canal

d)

circulatory tract, vascular tube

9.

Which of the following is NOT a GI tract organ?

a)

A) Oral cavity

b)

B) Pharynx

c)

C) Esophagus

d)

D) Kidney

10.

Fill in the blank: The GI tract organ that comes after the stomach is the _________.

a)

small intestine

b)

large intestine

c)

esophagus

d)

rectum

11.

Fill in the blank: The GI tract is a continuous tube about ________ feet (9-10 meters) long.

a)

30

b)

15

c)

50

d)

100

12.

The GI tract runs from the mouth to the anus.

a)

True

b)

False

13.

What type of muscle is found in the wall of the GI tract?

a)

Skeletal muscle

b)

Cardiac muscle

c)

Smooth muscle

d)

Striated muscle

14.

Fill in the blank: Smooth muscle in the wall of the GI tract is responsible for ________.

a)

motility

b)

digestion of proteins

c)

hormone secretion

d)

absorption of nutrients

15.

Smooth muscle in the GI tract wall pushes materials from one end to the other.

a)

True

b)

False

16.

Which of the following is NOT a characteristic of accessory digestive organs?

a)

A) Do not form the GI tube

b)

B) Can develop as outgrowths

c)

C) Are connected to the GI tract (some by ducts)

d)

D) Form the GI tube

17.

Accessory digestive organs assist the GI tract in the digestion of _______.

a)

food

b)

water

c)

air

d)

minerals

18.

Which of the following is an accessory digestive organ?

a)

Heart

b)

Teeth

c)

Kidney

d)

Lungs

19.

Accessory digestive organs include which of the following? (Select all that apply)

a)

Tongue

b)

Salivary glands

c)

Liver

d)

Pancreas

20.

Fill in the blank: The _______ is an accessory digestive organ that stores bile produced by the liver.

a)

Gallbladder

b)

Pancreas

c)

Stomach

d)

Small intestine

21.

True or False: Accessory digestive organs form the GI tube.

a)

True

b)

False

22.

What is the name of the gland labeled as the largest salivary gland in the accessory digestive organs?

a)

Parotid salivary gland

b)

Sublingual salivary gland

c)

Submandibular salivary gland

d)

Pineal gland

23.

Which organ in the gastrointestinal tract is responsible for the initial breakdown of food?

a)

Oral cavity

b)

Esophagus

c)

Stomach

d)

Large intestine

24.

Name the tube that connects the pharynx to the stomach in the digestive system.

a)

Esophagus

b)

Trachea

c)

Bronchus

d)

Duodenum

25.

Which organ stores bile produced by the liver?

a)

Gallbladder

b)

Stomach

c)

Pancreas

d)

Small intestine

26.

What is the function of the pancreas in the digestive system?

a)

The pancreas produces digestive enzymes and hormones such as insulin.

b)

The pancreas stores bile produced by the liver.

c)

The pancreas absorbs nutrients from digested food.

d)

The pancreas churns food to mix it with gastric juices.

27.

Which part of the digestive system is responsible for most nutrient absorption?

a)

Small intestine

b)

Stomach

c)

Large intestine

d)

Esophagus

28.

What is the final section of the gastrointestinal tract called, where waste is expelled from the body?

a)

Anus

b)

Esophagus

c)

Stomach

d)

Duodenum

29.

Match the following digestive organs to their functions:

a)

Stomach

1.

Absorbs nutrients

b)

Liver

2.

Stores and expels feces

c)

Small intestine

3.

Produces bile

d)

Rectum

4.

Mixes and digests food

30.

What is the main function of the salivary glands in the oral cavity?

a)

Absorb nutrients

b)

Produce and secrete saliva

c)

Move food to the stomach

d)

Filter air

31.

What is the name of the fluid produced by the salivary glands that assists in the initial activities of digestion?

a)

Saliva

b)

Bile

c)

Mucus

d)

Gastric juice

32.

What is the process of mechanical digestion in the oral cavity called?

a)

Peristalsis

b)

Mastication

c)

Absorption

d)

Secretion

33.

The tongue moves food to the pharynx during digestion.

a)

True

b)

False

34.

Label the following parts in the diagram of the oral cavity:

a)

Tongue, Soft Palate, Epiglottis, Esophagus (as labeled in the diagram)

b)

Teeth, Hard Palate, Larynx, Trachea

c)

Tongue, Uvula, Pharynx, Stomach

d)

Gums, Tonsils, Nasal Cavity, Duodenum

35.

What is the hard palate?

a)

A soft tissue at the back of the mouth

b)

A thin horizontal bony plate of the skull, located in the roof of the mouth

c)

The muscle that controls the tongue

d)

The structure responsible for the gag reflex

36.

The hard palate aids in _______ and speech.

a)

mastication

b)

digestion

c)

respiration

d)

circulation

37.

Which of the following is NOT a characteristic of the soft palate?

a)

Contains bone

b)

Uvula

c)

Gag reflex

d)

Soft tissue on the back of the roof of the mouth

38.

The soft palate is responsible for the gag reflex.

a)

True

b)

False

39.

Refer to the diagram. Which structure is labeled as the 'hard palate'?

a)

The hard palate is the bony structure located at the front part of the roof of the mouth, as labeled in the diagram.

b)

The hard palate is the muscular structure at the back of the roof of the mouth, as labeled in the diagram.

c)

The hard palate is the flap that covers the windpipe during swallowing, as labeled in the diagram.

d)

The hard palate is the structure that forms the lower jaw, as labeled in the diagram.

40.

Which systems is the pharynx common to?

a)

A) Respiratory and digestive systems

b)

B) Circulatory and nervous systems

c)

C) Muscular and skeletal systems

d)

D) Endocrine and excretory systems

41.

What is the pharynx commonly called?

a)

Nose

b)

Throat

c)

Esophagus

d)

Larynx

42.

Name the region of the pharynx that is posterior to the oral cavity.

a)

Oropharynx

b)

Nasopharynx

c)

Laryngopharynx

d)

Hypopharynx

43.

Which region of the pharynx is posterior to the larynx and connects to the esophagus?

a)

Laryngopharynx

b)

Nasopharynx

c)

Oropharynx

d)

Hypopharynx

44.

What is the function of the epiglottis?

a)

A flap that prevents food from entering the larynx

b)

It produces digestive enzymes

c)

It absorbs nutrients from food

d)

It pumps blood throughout the body

45.

Label the regions of the pharynx in the diagram.

a)

Nasopharynx (upper), Oropharynx (middle), Laryngopharynx (lower)

b)

Oropharynx (upper), Nasopharynx (middle), Laryngopharynx (lower)

c)

Laryngopharynx (upper), Oropharynx (middle), Nasopharynx (lower)

d)

Nasopharynx (lower), Laryngopharynx (middle), Oropharynx (upper)

46.

Identify the part labeled as 'Corniculate cartilage' in the diagram of the larynx.

a)

Corniculate cartilage

b)

Thyroid cartilage

c)

Cricoid cartilage

d)

Arytenoid cartilage

47.

Identify the part labeled as 'Cuneiform cartilage' in the diagram of the larynx.

a)

Cuneiform cartilage

b)

Thyroid cartilage

c)

Cricoid cartilage

d)

Arytenoid cartilage

48.

Identify the part labeled as 'False vocal cord' in the diagram of the larynx.

a)

False vocal cord

b)

True vocal cord

c)

Epiglottis

d)

Thyroid cartilage

49.

Identify the part labeled as 'Vocal cord' in the diagram of the larynx.

a)

Vocal cord

b)

Epiglottis

c)

Trachea

d)

Thyroid cartilage

50.

Identify the part labeled as 'Epiglottis' in the diagram of the larynx.

a)

Epiglottis

b)

Trachea

c)

Vocal cords

d)

Thyroid cartilage

51.

Identify the part labeled as 'Root of tongue' in the diagram of the larynx.

a)

Root of tongue

b)

Epiglottis

c)

Vocal cords

d)

Cricoid cartilage

52.

Identify the part labeled as 'Glottis' in the diagram of the larynx.

a)

Glottis

b)

Epiglottis

c)

Vocal cords

d)

Trachea

53.

What is the function of the esophagus?

a)

It produces digestive enzymes

b)

It is a tubular passageway that connects the pharynx to the stomach

c)

It absorbs nutrients

d)

It stores bile

54.

Fill in the blank: The esophagus connects the _______ to the stomach.

a)

pharynx

b)

trachea

c)

larynx

d)

bronchi

55.

What is peristalsis?

a)

The wave like motion that moves the bolus down the esophagus.

b)

The process of breaking down food using enzymes.

c)

The absorption of nutrients in the small intestine.

d)

The production of saliva in the mouth.

56.

The bolus is moved down the esophagus by peristalsis.

a)

True

b)

False

57.

Which of the following is NOT one of the four parts of the stomach?

a)

Cardia

b)

Fundus

c)

Duodenum

d)

Pylorus

58.

Fill in the blank: The stomach is a ______-shaped organ.

a)

J

b)

S

c)

O

d)

L

59.

Which structure prevents the backflow of food from the stomach into the esophagus?

a)

Pyloric sphincter

b)

Cardiac (lower esophageal) sphincter

c)

Rugae

d)

Fundus

60.

What are the folds in the stomach called?

a)

Villi

b)

Rugae

c)

Chyme

d)

Sphincters

61.

Fill in the blank: The stomach produces ______, a semi-liquid mixture of partially digested food.

a)

chyme

b)

bile

c)

saliva

d)

mucus

62.

Which of the following is a function of the stomach?

a)

Chemical digestion

b)

Oxygen transport

c)

Hormone production

d)

Blood filtration

63.

Name the four parts of the stomach as shown in the diagram.

a)

Cardia, Fundus, Body, Pylorus

b)

Duodenum, Jejunum, Ileum, Cecum

c)

Esophagus, Trachea, Bronchi, Alveoli

d)

Cortex, Medulla, Pelvis, Ureter

64.

What is the main function of the small intestine?

a)

Starts chemical digestion

b)

Finishes chemical digestion

c)

Stores waste

d)

Produces bile

65.

The small intestine is responsible for most of the _______ of nutrients.

a)

absorption

b)

digestion

c)

excretion

d)

production

66.

How many hours does food spend in the small intestine?

a)

12 hours

b)

2 hours

c)

24 hours

d)

6 hours

67.

What are villi in the small intestine?

a)

Fingerlike projections to increase the surface area for absorption

b)

Digestive enzymes

c)

Blood vessels

d)

Muscles

68.

Which of the following is NOT a part of the small intestine?

a)

Duodenum

b)

Jejunum

c)

Ileum

d)

Colon

69.

Name the three parts of the small intestine.

a)

Duodenum, Jejunum, Ileum

b)

Cecum, Colon, Rectum

c)

Fundus, Body, Pylorus

d)

Ascending, Transverse, Descending

70.

Identify the part labeled as 'Duodenum' in the diagram of the human digestive system.

a)

Duodenum

b)

Esophagus

c)

Rectum

d)

Pancreas

71.

What is the name of the flexure between the duodenum and jejunum as shown in the diagram?

a)

Duodenojejunal flexure

b)

Hepatic flexure

c)

Splenic flexure

d)

Ileocecal flexure

72.

Which part of the small intestine is labeled as 'Jejunum' in the diagram?

a)

Jejunum

b)

Duodenum

c)

Ileum

d)

Cecum

73.

Name the valve that separates the small intestine from the large intestine.

a)

Ileocecal valve

b)

Pyloric valve

c)

Mitral valve

d)

Tricuspid valve

74.

What is the last part of the small intestine labeled in the diagram?

a)

Ileum

b)

Duodenum

c)

Jejunum

d)

Cecum

75.

Fill in the blank: The large intestine absorbs most of the ______ and electrolytes from the remaining digested material.

a)

water

b)

protein

c)

fiber

d)

glucose

76.

Fill in the blank: Watery material that first enters the large intestine soon solidifies and becomes ______.

a)

feces

b)

urine

c)

plasma

d)

chyme

77.

Fill in the blank: The large intestine stores fecal material until the body is ready to ______.

a)

defecate

b)

digest

c)

inhale

d)

urinate

78.

Fill in the blank: The large intestine absorbs a very small percentage of ______ still remaining in the digested material.

a)

nutrients

b)

enzymes

c)

hormones

d)

proteins

79.

How many parts does the large intestine consist of?

a)

3

b)

4

c)

5

d)

6

80.

Which of the following is NOT a part of the large intestine?

a)

Cecum

b)

Appendix

c)

Stomach

d)

Rectum

81.

Fill in the blank: The large intestine consists of the Cecum, Appendix, Colon, Rectum, and _______.

a)

Anal canal

b)

Esophagus

c)

Duodenum

d)

Gallbladder

82.

The colon is divided into how many parts?

a)

2

b)

3

c)

4

d)

5

83.

Which of the following is a part of the colon?

a)

Ascending colon

b)

Descending colon

c)

Sigmoid colon

d)

All of the above

84.

Fill in the blank: The four parts of the colon are Ascending colon, Transverse colon, Descending colon, and _______.

a)

Sigmoid colon

b)

Cecum

c)

Rectum

d)

Ileum

85.

What is the name of the structure labeled as the 'Transverse colon' in the diagram of the large intestine?

a)

Transverse colon

b)

Ascending colon

c)

Sigmoid colon

d)

Cecum

86.

What is the name of the structure labeled as the 'Rectum' in the diagram of the anal canal?

a)

Rectum

b)

Anus

c)

Sigmoid colon

d)

Ileum

87.

Refer to the diagram of the human abdomen. What anatomical part is labeled as 1?

a)

Ascending Colon

b)

Descending Colon

c)

Transverse Colon

d)

Sigmoid Colon

88.

Refer to the diagram of the human abdomen. What anatomical part is labeled as 2?

a)

Transverse colon

b)

Gallbladder

c)

Pancreas

d)

Descending colon

89.

Refer to the diagram of the human abdomen. What anatomical part is labeled as 3?

a)

Descending colon

b)

Liver

c)

Stomach

d)

Pancreas

90.

What anatomical part is labeled as 4?

a)

Stomach

b)

Liver

c)

Pancreas

d)

Small intestine

91.

Refer to the diagram of the human abdomen. What anatomical part is labeled as 5?

a)

Liver

b)

Stomach

c)

Pancreas

d)

Gallbladder

92.

Refer to the diagram of the human abdomen. What anatomical part is labeled as 6?

a)

Gall bladder

b)

Pancreas

c)

Appendix

d)

Spleen

93.

How many lobes does the liver have?

a)

2

b)

3

c)

4

d)

5

94.

Which lobe of the liver is visible from the anterior view?

a)

Right lobe

b)

Left lobe

c)

Caudate lobe

d)

Quadrate lobe

95.

True or False: The left lobe of the liver is larger than the right lobe.

a)

True

b)

False

96.

Name the two subdivisions of the liver that are only seen from the posterior inferior view.

a)

Caudate lobe and Quadrate lobe

b)

Right lobe and Left lobe

c)

Falciform ligament and Ligamentum teres

d)

Hepatic artery and Portal vein

97.

Label the following parts on the diagram:

a)

Liver, Gallbladder, Stomach, Spleen, Duodenum, Common bile duct, Portal vein, Hepatic artery, Splenic vein, Inferior vena cava, Hepatic vein, Bile ducts.

b)

Liver, Pancreas, Kidney, Appendix, Colon, Esophagus, Jugular vein, Femoral artery, Renal vein, Superior vena cava, Pulmonary vein, Lymph nodes.

c)

Heart, Gallbladder, Stomach, Spleen, Jejunum, Pancreatic duct, Carotid artery, Hepatic artery, Splenic artery, Inferior vena cava, Hepatic vein, Bile ducts.

d)

Liver, Gallbladder, Stomach, Pancreas, Duodenum, Common bile duct, Portal vein, Hepatic artery, Splenic vein, Inferior vena cava, Hepatic vein, Ureter.

98.

Fill in the blank: The liver produces ______, a greenish fluid that breaks down fats into small droplets to assist in their chemical digestion.

a)

bile

b)

insulin

c)

amylase

d)

pepsin

99.

Fill in the blank: The liver helps to ______ drugs, metabolites, and poisons.

a)

detoxify

b)

digest

c)

absorb

d)

excrete

100.

Fill in the blank: The liver ______ excess nutrients and vitamins and releases them when they are needed.

a)

stores

b)

destroys

c)

ignores

d)

filters

101.
Number 2 is pointing to the...
a)
Esophagus
b)
Stomach
c)
Small intestine
d)
Anus
102.
Number 3 is pointing to the...
a)
Small intestine
b)
Rectum
c)
Large intestine
d)
Stomach
103.
Number 4 is pointing to the....
a)
Anus
b)
Rectum
c)
Large Intestine
d)
Small intestine
104.
Which part of the digestive system is number 3?
a)
esophagus
b)
stomach
c)
small intestine
d)
liver
105.

Which numbers point to the right and left lungs?

a)

5 and 10

b)

10 and 11

c)

5 and 15

d)

15 and 16

106.

What is illustrated with #2?

a)

Bronchi

b)

Bronchioles

c)

Trachea

d)

Alveoli

107.
This is the airway that has two pairs of vocal chords attached to it
a)
Lungs
b)
Diaphragm
c)
Pharynx
d)
Larynx
108.

Identify structure #12

a)

epiglottis

b)

glottis

c)

pharynx

d)

larynx

109.

Identify structure #16

a)

Intercostal muscles

b)

Pleura membrane

c)

Ribs

d)

Left lung

e)

Right lung

110.

Name the structure labeled 8

a)

lungs

b)

trachea

c)

diaphragm

d)

alveoli

111.

Identify structure #13

a)

epiglottis

b)

esophagus

c)

glottis

d)

larynx

112.

What side of your lung is the arrow pointing to?

(a)  

113.

Identify structure #11

a)

epiglottis

b)

glottis

c)

pharynx

d)

larynx

114.

Identify structure #17

a)

bronchi

b)

trachea

c)

diaphragm

d)

bronchiole

115.

Identify structure #4

a)

epiglottis

b)

glottis

c)

pharynx

d)

larynx

116.

Identify structure #14

a)

epiglottis

b)

esophagus

c)

vocal cords

d)

larynx

117.

Identify structure #8

a)

Diaphragm

b)

Intercostal muscles

c)

Pleura membrane

d)

Ribs

118.

Identify structure #8

a)

Intercostal muscles

b)

Pleura membrane

c)

Ribs

d)

Left lung

e)

Right lung

119.

Identify structure #7

a)

Diaphragm

b)

Intercostal muscles

c)

Pleura membrane

d)

Ribs

120.

Another name for your voice box.

a)

pharynx

b)

larynx

c)

trachea

d)

lung

121.

The space or indent in the left lung to make room for the heart.

(a)  

122.

What is C pointing to in the diagram?

a)

bronchioles

b)

bronchi

c)

alveoli

d)

trachea

123.

Number 4 is a lung. Which lung is it?

a)

Left

b)

Right

124.

What is number one?

a)

Bronchi

b)

Alveoli

c)

Trachea

d)

Bronchioles

125.

The lungs are covered with a thin membrane called the

a)

bronchioles

b)

synovial

c)

serous

d)

pleura

126.
Structure #2 is the throat, also called the ?
a)
larynx
b)
pharynx 
c)
bronchi
d)
alveoli
127.

What is the scientific term for the tube that is commonly known as your wind pipe?

a)

esophogus

b)

bronchi

c)

trachea

d)

alveoli

128.

Identify structure #6

a)

Diaphragm

b)

Intercostal muscles

c)

Pleura membrane

d)

Ribs

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